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hi about 2 days ago ff stopped working. i type an address into the usual window like i've done a million times, hit enter, and nothing happens. i click on a bookmark… (tuilleadh eolais)

hi about 2 days ago ff stopped working. i type an address into the usual window like i've done a million times, hit enter, and nothing happens. i click on a bookmark, the url shows up in the address window, but nothing happens. there are maybe 3 bookmarks that still work, and all the rest are duds. auto-complete still works, but firefox refuses to take to the address. i get a lot of "flash crashes" (thanks, adobe) so i recently updated flash, and that started the problem. this is why i distrust updates. (for the record, i keep current with firefox updates, even though it is still bloatware that uses 2 GB just to run 3 windows.
anyway, any help you could offer would be most... helpful! (not sure why my exclamation points are printing as open-brackets, but hey, whatever, that's the internet)
thanks,
tim

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I've been using Firefox since well, lets just say long enough... Version 20 for the Mac seems to not have fixed any bugs or memory leaks.
One of the "fixes" is to restar… (tuilleadh eolais)

I've been using Firefox since well, lets just say long enough... Version 20 for the Mac seems to not have fixed any bugs or memory leaks.

One of the "fixes" is to restart Firefox, which is the only "fix" that works, but this really isn't a fix, this is a stopgap situation, in where you release the memory by closing it...

Are there other people with this same situation? My Firefox uses with nothing in the main page except google.com, if it's open for over 24 hours over 1GB of ram... 2 GB in 48 hours, etc...

The most Firefox has ever used was 5GB before I shut it down, now I know, restarting Firefox seems to stop this from happening, but as I said, this is a stopgap, there is something inside Firefox that makes this happen.

Is there anything in the future that will fix this issue, or is Firefox going to be forever a Memory Hog worse than Microsoft Office?

There are no crash reports within Firefox as well as no Windows error logs generated.

Other browsers on this computer do not have this problem, another computer with FF28 that I use works well. Firefox 28 on this computer with Ubuntu Linux works.

Edit: I got Firefox not responding even at going through conversations (messages). So I can generalize that any operation at Facebook, during which three "waiting" bars appear, can lead to the not-responding state of Firefox.

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After updating to Firefox 27 all webpages take a few dozen seconds to several minutes to load. When loading a webpage Firefox's status displays "connecting" and the CPU … (tuilleadh eolais)

After updating to Firefox 27 all webpages take a few dozen seconds to several minutes to load. When loading a webpage Firefox's status displays "connecting" and the CPU gets maxed out with 95 to 100% of its cycles taking by Firefox.

The computer is older so it is a little slow but Internet Explorer 8 has no trouble opening the webpages and neither do other computers on the LAN so it is not a network issue. I have tried restarting Firefox, disabling add-ons, deleting add-ons, disabling hardware acceleration, restarting the computer, and reinstalling Firefox after wiping every trace of it and its user data from the hard drive and registry.

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Ok, since update to version 31.0, I have been having some problems.
I have tried doing everything stated in the support page about resetting, reinstalling, safe mode, re… (tuilleadh eolais)

Ok, since update to version 31.0, I have been having some problems.
I have tried doing everything stated in the support page about resetting, reinstalling, safe mode, restarting pc etc.
First problem, when I open Firefox no web page loads. It just says New Tab and a blank white page. If I press the home button I am taken to my homepage which is google.

Second problem, when I right click on a link and the menu pops up, if I click open in new window, a new window opens but it just says New Tab with a blank page and no URL information, just blank.

Third problem, the Open Menu button just doesn't work at all. You can click all you like, that thing is not opening.

I am really stuck as to what to do. I have only been using Firefox for about a month and t was good until these problems. If I can't resolve it, I will have to use another browser as it is really annoying.

I am using Windows 8.1 by the way and have scanned my computer thouroughly for both virus's and malware.

OS : Windows 7 x64
I was using Firefox 48.0.2 (x64) - french version.
I manually downloaded and installed Firefox 49.0 (x64).
After installation, Firefox does not start :
- the firefox.exe process is running, using something between 5000 and 65000 Mb of memory
- nothing else happens : the process does nothing, using 0% CPU

I've seen this issue :
- on several PC's of my organization
- after automatic update or manual update
- after having deleted my Firefox profile
- after having disabled Kasperky Antivirus

I've noticed that the last version of Firefox Developer Edition has the same behaviour : install OK, won't start.

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When we got up this morning my mum had a message on her computer telling her to download Mozila FireFox system tools 17.54.5468 - the message popped up when she tried to … (tuilleadh eolais)

When we got up this morning my mum had a message on her computer telling her to download Mozila FireFox system tools 17.54.5468 - the message popped up when she tried to play a facebook game. We clicked it and downloaded it and the computer seemed fine after that (but we did notice something called uniblue was now on her computer). Then i got onto my computer and when i tried to get into yahoo groups i got the same message. I also got a different message when half way thru watching a video on youtube a screen came up saying that the certificates for youtube were invalid or didn't exist. I deleted firefox completely - including the folder in programs (x86) - reinstalled it and i can once again play youtube videos (so far) but i'm still getting a message for Mozila FireFox system tools 17.54.5468 when i try to get into yahoo groups. My question - is 'Mozila FireFox system tools 17.54.5468' a real message from you guys and if its not, does anyone know how i get rid of it? I have Windows 7 and its a desktop if anyone needs to know.

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The PC hangs completely, no keyboard or mouse response. The system is very stable and never crashes when not using firefox. The only version which works without crashing … (tuilleadh eolais)

The PC hangs completely, no keyboard or mouse response. The system is very stable and never crashes when not using firefox. The only version which works without crashing the PC is 3.6.28, but this has a few rendering problems and some websites don't display properly.
I have turned on crash reporting, but it never produces a report.
I have done a firefox reset, but makes no difference.
The system never stays up for more than 10 minutes.
I have turned off hardware acceleration.
What do you need from me to help identify the cause?

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About 4 days ago, Adobe Flash Player updated to 11.5 and started crashing multiple times a day. So when Firefox updated to 17 today, I immediately uninstalled Firefox an… (tuilleadh eolais)

About 4 days ago, Adobe Flash Player updated to 11.5 and started crashing multiple times a day. So when Firefox updated to 17 today, I immediately uninstalled Firefox and reinstalled the new versions in hope that the problems would be fixed. When that wasn't the case, I followed all the steps for Flash 11.3 and nothing has worked. This is only happening in Firefox. Flash works fine in Google Chrome and in Internet Explorer. My school's primary requirement is that I use Firefox with Flash to do my schoolwork. This is an issue if I have to restart Firefox multiple times during my session. 25% of all Flash crashes also crash Firefox. I need help soon.

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New problem in firefox 29:
When I click a link that opens the new page in a new window, the window pops open in the last partially maximized state that it was in. Should … (tuilleadh eolais)

New problem in firefox 29:

When I click a link that opens the new page in a new window, the window pops open in the last partially maximized state that it was in. Should I maximize the new window (in Windows 8.1) and close it and re-click the original link, the window opens again in the partially maximized state, not the last fully maximized state that I previously closed it in.

-click on any article. the default behavior should be to open the article in a new window

-the window won't be maximized in my experience

-you can maximize the window and then close the window/ article

-re-click on the same article and the new window should appear again in the non-maximized state, not the fully maximized state that you closed it in previously

One point of note. Right-clicking the same link that opens the new window and specifically choosing "Open Link in New Window" DOES open the new window in a fully maximized state. I repeat, the new window does open fully maximized when you choose "Open Link in New Window" from the right-click drop downs menu. But, this doesn't happen with the simple left-click, which I'm concerned with.

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As of this morning, I cannot get Firefox to work. I am using Windows 7. I click to start firefox and it looks like the program starts. It opens a Window with the minim… (tuilleadh eolais)

As of this morning, I cannot get Firefox to work. I am using Windows 7. I click to start firefox and it looks like the program starts. It opens a Window with the minimize, maximize, and close buttons but the window contents are blank and the load icon appears. I can minimize and maximize the window but I cannot end the program. If I use CTRL-ALT-DEL, I can see that firefox.exe is running but I cannot end the task by selecting End Process. If I try to start another instance of Firefox, I get a warning box saying "Firefox is already running, but is not responding. The old Firefox process must be closed to open a new window."

Nothing I try will end the process.

I uninstalled and re-installed Firefox but the problem persists. I tried doing a fresh install with all previous add-ons and whatnot ignored but it still won't run. I've tried running it with the anti-virus disabled as well as with Windows in Safe Mode but it won't work.

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I call a Java class from JavaScript in HTML-Code. The JavaScript get loaded earlier then the Java Applet. Even the Java Applet-Tag is on the top. When I have a button in … (tuilleadh eolais)

I call a Java class from JavaScript in HTML-Code. The JavaScript get loaded earlier then the Java Applet. Even the Java Applet-Tag is on the top. When I have a button in HTML to start the Java-class with JavaScript, it works. But it should also be possible to do that right after loading die Java Applet. Until 3 months ago it was working always properly on Mac with Firefox for 6 years. On Windows it still works perfect with Firefox. And it worked always perfect on Windows with Internet Exlorer and Chrome. I hope you can solve this problem. With Safari Java Applets don't run any more even Java is active in Safari. So my customers have just Firefox to work with on Mac. Chrome doesn't work on Mac. Here is my Code. The Applet is signed by symantec:

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Since the newest update, it is impossible to simply clear the cache, from the browser. When I click on the "Clear Now" button, it only reduces it by 1 or 1 megs at a time… (tuilleadh eolais)

Since the newest update, it is impossible to simply clear the cache, from the browser. When I click on the "Clear Now" button, it only reduces it by 1 or 1 megs at a time! Well, if I have 550 to clear, am I supposed to sit here all day, to do what used to take five seconds?

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Firefox issued another update today, to 62.0, but this additional new update still did not fix Netflix bug: Error Code: F7121-1331-P7 Is anyone in this forum able to esca… (tuilleadh eolais)

Firefox issued another update today, to 62.0, but this additional new update still did not fix Netflix bug: Error Code: F7121-1331-P7 Is anyone in this forum able to escalate the bug report to address this problem with Netflix?

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I just checked task manager, since my computer was running a bit slow, and found firefox to be using nearly 1.2 GIGABYTES of RAM, with only 4 tabs open + Chatzilla for IR… (tuilleadh eolais)

I just checked task manager, since my computer was running a bit slow, and found firefox to be using nearly 1.2 GIGABYTES of RAM, with only 4 tabs open + Chatzilla for IRC. I have Skyrim running at the same time, and it is using LESS RAM than Firefox is!

I've tried disabling plugins, to the point where I only have the Flash and Adobe PDF ones running, I had to disable the plugin container since it crashes repeatedly (Usually at least once every couple of days). I tried using the "Free Memory" options in about:memory, and they do literally nothing to reduce the RAM usage. It's normally between 400 and 600 MB (Which is still insanely excessive for a browser). Closing Chatzilla only reduces the RAM usage by about 10-15 MB, so it doesn't seem to be the problem.

How in the name of all that's sacred is a browser using more RAM than a modded version of Skyrim?

Comment by a forum moderator.
This is a popular thread with over 10000 views. By all means scroll through and read it for useful tips & information. If however you have your own problem See

My comment about telemetry in post-524332and consider turning that on.

(2nd edit 21Jan2014) Also note some related questions with solutions found after they started a new thread/questions/982539 the addon no script was apparently causing 1GB of memory use. /questions/980440 a workaround was to tweak the pref Browser.sessionhistory.max_total_viewers to improve the memory issue